Bambang Arie Hidayat Dalimunthe*, Abdullah Afif Siregar, Ali Nafiah Nasution, Zulfikri Mukhtar, Abdul Halim Raynaldo & Harris Hasan. “CORRELATION BETWEEN P WAVE DISPERSION FROM 12-LEAD ECG AND LEFT VENTRICULAR DIASTOLIC DYSFUNCTION IN PATIENTS DIAGNOSED WITH HYPERTENSION”. International Journal of Research Science and Management, vol. 6, no. 12, Dec. 2019, pp. 8-15, http://ijrsm.com/index.php/journal-ijrsm/article/view/258.